Below is the data from sample of size 4 . X2431Y3230 Please, answer the following questions. 1. Calculate the mean of Y(Y) 2. Calculate the (sample) variance of Y(sY2) 3. I calculated the X=2.5. Calculate the SX,Y=i=14(XX)(YY) 4. Calculate the SX,X=t=14(XX)2 5. Calculate 1 - the regression slope of Y on X 6. Calculate 0 - the regression intercept of Y on X.